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  Effect of high-voltage pulsed current on Healing of leg Ulcer

Electrical current has been recommended on chronic pressure and this modality used to improve healing of other types of chronic ulcers is less well established. The purpose of this study was to examine the effect of high-voltage pulsed current (HVPC) on healing of chronic leg ulcers. The subjects were separated into subgroups according to primary etiology of the wound (diabetes, arterial insufficiency, venous insufficiency) and then randomly assigned to receive either HVPC (100 microseconds, 150 V, 100 Hz) or a sham treatment for 45 minutes, 3 times weekly, for 4 weeks. Wound surface area and wound appearance were assessed during an initial examination, following a 1-week to 2-week period during which subjects received only conventional wound therapy, after 4 weeks of sham of HVPC treatment, and at 1 month following treatments. seventeen people with 32chronic leg ulcers participate in the study. The results indicated that HVPC applied to chronic leg ulcers reduced the wound surface area over the 4-week treatment period to approximately one half the initial wound size (mean decrease =16.0%, SD=8.9%, range=2.8%-100%), which was over 2 times greater than that observed in wounds treated with sham units (mean decrease=16.0%. SD=8.9%, range =-30.3%-83.7%). The results of the study indicate that HVPC administered 3 times a week should be considered to accelerate wound closure of chronic leg ulcers

Date: 08, Apr 2013 Posted By: admin
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